00814cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040004600112042001200158050002200170110004100192245006400233260004300297300001800340490005400358500001900412500005300431650003300484650002600517999001700543e  18001036 DLC20260227111209.0960612s1918    dcu          f000 0 eng c  ae  18001036   a(OCoLC)34918764  aLibrary, U.S. Bur. of EducationcMoUdDLC  apremarc00aL111b.A565 no. 31 aUnited States.bBureau of Education.10aScience teaching in secondary schools in the war emergency.  a[Washington,bGovt. Print. Off.c1918]  a19 p.c23 cm.0 aSecondary school circularvno. 3, September, 1918  aCaption title.  aAt head of title: Department of the Interior ... 0aSciencexStudy and teaching. 0aEducation, Secondary.  c20248d20248